A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

South of the Arctic’s polar vortex is the jet stream, a river of west to east air that flows five to nine miles above ground, and helps keep the pole’s cold air confined to the Arctic.

Scientists say it’s being caused by a misbehaving polar vortex combining with a key ... because of fossil fuel pollution, so this Arctic blast from the past feels more like a relic of a bygone ...

Britain could be plunged into cold snap this month thanks to a blast of chilly Arctic air ... A spokesperson said: "The stratosphere polar vortex is now weakening rapidly. Over the last few ...

The polar vortex could bring a cold blast to millions across America in ... which results in waves of frigid Arctic air being ushered southward across North America, Europe, and Asia, AccuWeather ...

Brits are set for a -5C Arctic blast with snow falling at two inches per hour due to a rare polar vortex. There is no end yet to the wintry weather as after a milder start to March the ...

Icy winds from the Arctic are bringing yet another spell of freezing weather to Scotland due to a phenomenon known as a polar vortex collapse, which is keeping more spring weather at bay.

An arctic air mass continued to grip much of ... The latest brutal cold snap is again courtesy of the polar vortex — a large area of cold air that spins over the North Pole — dropping some ...

Those conditions are being supported by a weakened polar vortex, which is impacting the jet stream and bringing very cold Arctic air across the UK and other parts of the region. Forecasters are ...

On the heels of successive winter storms that brought heavy snow and ice to a wide swath of the United States, another arctic blast tied to the polar vortex will send temperatures plummeting across ...